By Anya Pelshaw on SwimSwam
2025 WORLD AQUATICS SWIMMING WORLD CUP – Westmont
October 17-19, 2025 Westmont, Illinois SCM (25 meters) Meet Central Psych Sheets Live Results Live Recaps: Prelims: Day 1 Finals: Day 1Women’s 400 Freestyle – Fast Heats
World Record: 3:50.25 – Summer McIntosh, CAN (2024) World Junior Record: 3:50.25 – Summer McIntosh, CAN (2024) World Cup Record: 3:52.80 – Summer McIntosh, CAN (2022) U.S. Open Record: 3:54.04 – Katie Ledecky, USA (2022) Fastest Morning Swim: 4:03.44 — Minna Abraham (CLB) Carmel Champion: Lani Pallister (AUS) — 3:54.38Top 8 Finishers:
Lani Pallister (AUS) – 3:52.42 **World Cup and US Open Record Erika Fairweather (NZL) – 3:57.99 Bella Sims (CLB) – 3:58.29 Anna Peplowski (CLB) – 4:00.14 Mary-Sophie Harvey (CAN) – 4:00.32 Caitlin Deans (NZL) – 4:00.64 Freya Colbert (GBR) — 4:00.99 Ella Jansen (CLB) – 4:03.22Australia’s Lani Pallister swam to two new records in her win in the women’s 400 free at the second stop of the World Cup Series. Pallister broke the World Cup Series record as well as the US Open record touching in a 3:52.42.
The previous World Cup Series record stood at a 3:50.80 set by Summer McIntosh back in 2022. McIntosh was originally slated to competed in the World Cup Series but withdrew due to illness. The previous US Open Record was a 3:54.04 set by Katie Ledecky in 2022.
Split Comparison
Pallister Ledecky- Old US Open Record McIntosh- Old World Cup Record 100 55.66 56.06 56.47 200 58.32 58.79 58.57 300 59.51 59.8 59.12 400 58.93 59.39 58.64 3:52.42 3:54.04 3:52.80Pallister was faster than McIntosh on the first 200 of the race, with the largest difference coming on the first 100. The same can be said for Pallister’s swim compared to Ledecky’s as well, although Pallister was faster on all four-100s.
With her swim, Pallister also becomes the #2 performer in the event all-time. She had previously sat at #3 and now passes Ledecky.
Women’s Top 5 Performers SCM 400 Free
Summer McIntosh (CAN), 3:50.25 (2024) Lani Pallister (AUS), 3:52.42 (2025) Katie Ledecky (USA), 3:52.88 (2022) Ariarne Titmus (AUS), 3:53.92 (2018) Wang Jianjiahe (CHN), 3:53.97 (2018)Read the full story on SwimSwam: Lani Pallister Breaks Katie Ledecky’s US Open Record With 3:52.42 400 Freestyle
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